JP2007320465A - Front structure of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a front structure of an automobile capable of heightening waterproofness by preventing rain and water from entering an engine compartment while installing a reinforcing bracket extending forward and backward at a top of a cowl box for heightening the torsion rigidity of the cowl box, in a front structure of an automobile with a cowl box supporting a bottom part of a windshield glass. <P>SOLUTION: A trough part 24 is positioned above a wiper supporting bracket 9, and is configured to receive rain and water flown from a bottom edge of a windshield glass 4 and discharge the rain and water to a side of the wiper supporting bracket 9. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a front structure of an automobile, and more particularly, to a front structure of an automobile having improved waterproofing in the vicinity of a cowl box that supports a lower portion of a front window glass.

  2. Description of the Related Art Conventionally, it is known that a cowl box that supports a lower portion of a front window glass above a dash panel is installed at the front of a vehicle body so as to extend in the vehicle width direction. This cowl box has a function as an air box for introducing outside air to an air conditioner or the like, and a function as a storage space for the wiper device, and is generally configured as a so-called open cowl structure having an open top.

  By the way, the wiper device installed in the cowl box includes a motor, a link, and a wiper pivot that serves as a rotation axis of the wiper arm, and it is required to ensure waterproofness.

  Therefore, in Patent Document 1 below, a structure in which a waterproof cap that spreads in an umbrella shape is attached to the wiper pivot holder in order to ensure waterproofness in the vicinity of the wiper pivot that protrudes upward from the cowl box through the cowl grille. Is disclosed.

By attaching a waterproof cap to the wiper pivot holder as in Patent Document 1, rainwater entering from the pivot through hole of the cowl grille is received by this waterproof cap, and the wetted water to the wiper pivot and nearby links is received. Can be prevented.
JP 2002-127874 A

  By the way, the cowl box that supports the lower part of the front window glass extends in the vehicle width direction at the upper part of the front part of the vehicle body, and also functions as a skeleton member of the vehicle body that connects the left and right vehicle body members. Therefore, in order to increase the torsional rigidity of the entire vehicle body, it is effective to increase the torsional rigidity of the cowl box. To increase the torsional rigidity, a reinforcing bracket extending in the front-rear direction is provided on the upper part of the cowl box. It is conceivable that the cowl box has a partly closed cross-sectional structure (so-called closed cowl structure).

  However, coupled with the fact that the lower edge of the front window glass is located above the cowl box and the abutment between the front window glass and the cowl grille is not sealed, Rainwater or the like flowing on the glass surface flows down from the lower edge of the front window glass. As described above, when rainwater or the like flows down to the reinforcing bracket, the rainwater or the like may flow forward on the upper surface of the reinforcing bracket and enter the engine room located in front of the reinforcing bracket.

  Therefore, the present invention provides a front structure of an automobile provided with a cowl box that supports the lower part of the windshield, while providing a reinforcing bracket extending in the front-rear direction on the upper part of the cowl box in order to increase the torsional rigidity of the cowl box. It is an object of the present invention to provide a front structure of an automobile that can prevent rainwater and the like from entering a room and improve waterproofness.

  The front structure of the automobile according to the present invention is formed over the vehicle width direction, the lower part is joined to the dash lower panel, and the upper part supports the lower part of the front window glass, and the lower part of the cowl panel extends to the front side of the vehicle. A cowl cross member having a lateral wall portion that extends and a vertical wall portion that extends upward from the front end of the lateral wall portion, and a front end that extends from the abutting portion that contacts the lower portion of the front window glass to the front side of the vehicle. A cowl grill to be fixed, a reinforcing bracket extending in the front-rear direction in which a rear end is fixed to a cowl panel and a front end is fixed to a cowl cross member below the cowl grill, and a vehicle below the cowl grill and above the reinforcing bracket. It is provided with a flange that extends across the width direction and drains the water that has flowed from above into the side of the reinforcing bracket. It is intended.

According to the above configuration, since the cowl panel and the cowl cross member are connected by the reinforcing bracket extending in the front-rear direction, a part of the cowl box having a so-called open cowl structure can have a closed cross-sectional structure. In addition, since the flange portion extending in the vehicle width direction is disposed above the reinforcing bracket, water flowing from the front window glass is received by the flange portion and drained to the side of the reinforcing bracket.
For this reason, the torsional rigidity of the cowl box can be increased by the reinforcing bracket, and even if the reinforcing bracket is provided, the water flowing from the windshield glass is received by the buttocks, so it does not flow down to the reinforcing bracket, and the engine room side Can be prevented from entering.

The “reinforcing bracket” described above may have any shape as long as it extends in the front-rear direction and connects the front end and the rear end of the cowl box. In addition, the cowl box may be fixed by fastening or fixed by joining and fixing.
Furthermore, if the above-mentioned "saddle part" receives the water which flows down from the lower end edge of the front window glass, and guides and drains it in the vehicle width direction, the cross-sectional U-shape, V-shape, reverse hat shape, etc. Any cross-sectional shape may be used.

In one embodiment of the present invention, the reinforcing bracket is a wiper support bracket that supports a wiper device that wipes rainwater from the windshield.
According to the above configuration, the wiper device is also supported by the reinforcing bracket that increases the torsional rigidity of the cowl box.
For this reason, the wiper support bracket can also be used as a reinforcement bracket, and there is no need to separately set a support bracket for the wiper device.
Therefore, the number of parts can be reduced, and the structure inside the cowl box can be simplified.

In one embodiment of the present invention, the collar portion is supported by a pivot holder that pivotally supports a wiper pivot of the wiper device.
According to the said structure, the collar part which receives the water which flows down from a windshield glass is supported by the strong pivot holder which pivotally supports a wiper pivot.
For this reason, it is not necessary to separately set a mounting bracket or the like for the collar portion, and it is possible to assemble it in advance to the pivot holder and assemble it to the vehicle together with the wiper device. Furthermore, since it will be supported by a highly rigid pivot holder in the wiper device, even if the collar part may be bent by receiving a large amount of water at the collar part, the shape of the collar part will not change, The drainage can be ensured reliably.
Therefore, the number of parts can be reduced, and the assemblability of the collar portion can be improved. Furthermore, the drainage of the buttocks when receiving a large amount of water can be improved.

In one embodiment of the present invention, a holder waterproof cap having a holder mounting portion on the inner periphery and a water receiving portion on the outer periphery is attached to the pivot holder of the wiper device, and the holder waterproof cap has the hook The part is integrally molded.
According to the above configuration, the waterproof part of the reinforcing bracket is integrally formed with the holder waterproof cap that prevents the link and the like near the wiper pivot from being wetted. Can be configured.
Therefore, without increasing the number of parts, water can be prevented from entering the reinforcing bracket and water can be prevented from entering the engine room.

In one embodiment of the present invention, the collar portion is supported by a reinforcing bracket.
According to the said structure, a collar part is supported by the highly rigid reinforcement bracket which is the object of prevention of moisture.
For this reason, the rigidity of support of a collar part can be raised using the rigidity of a reinforcement bracket.
Therefore, even when a large amount of water is received, there is no fear that the heel portion will be bent, and the drainage performance of the heel portion can be reliably ensured.

In one embodiment of the present invention, the pivot holder that pivotally supports the wiper pivot of the wiper device is provided with an extension support portion extending in the vehicle width direction, and the extension support portion is positioned below the flange portion. And fixed together with the flange on the wiper support bracket.
According to the above configuration, by fixing the extended support portion extending from the pivot holder and the collar portion together with the wiper support bracket, the collar portion can be firmly fixed using the highly rigid wiper support bracket. Moreover, since the extension support part was installed under the collar part, the flooding to the extension support part can also be prevented.
Therefore, the support rigidity of a collar part can be improved and the deterioration of the drainage property of the collar part at the time of receiving a lot of water can also be prevented. In addition, since the extension support portion can be prevented from getting wet, the possibility of water flowing into the pivot holder via the extension support portion can be prevented, and the waterproofness of the wiper device can be improved.

In one embodiment of the present invention, the extended support portion and the flange portion are formed with an inclination angle that is forwardly lowered, and the inclined extended support portion and the flange portion are fastened and fixed to the wiper support bracket. It is.
According to the above configuration, the extension support portion and the heel portion formed with a forwardly inclined angle are fastened and fixed to the wiper support bracket. Therefore, when the extension support portion and the heel portion are assembled to the vehicle body from the front of the vehicle. The operator can easily assemble from obliquely above. Further, since the heel portion is configured as it is using this inclination, the heel portion can be easily formed without separately forming a boss or the like for attachment.
Therefore, it is possible to easily perform the assembling work of the extending support portion and the collar portion, while improving the formability of the collar portion.

In one embodiment of the present invention, the front wall of the flange is formed continuously from the front outer peripheral wall of the holder waterproof cap.
According to the above configuration, by continuously forming the front wall of the collar and the front outer peripheral wall of the holder waterproof cap, the step shape and the like are eliminated, and the collar and the holder waterproof cap are formed more integrally. Can do.
Therefore, it is possible to easily form the one in which the collar portion and the holder waterproof cap are integrated with resin or the like.

In one embodiment of the present invention, the flange and the holder waterproof cap are integrally formed, the flange is formed above the water receiving portion of the holder waterproof cap, and the water of the holder waterproof cap is formed. A drain outlet is formed in the lower part of the receiving part.
According to the above configuration, in the case where the collar portion and the holder waterproof cap are integrally formed, the collar portion is formed above the water receiving portion and the drain port is formed at the lower portion of the water receiving portion. The received water flows to the water receiving portion side, but the water received by the water receiving portion flows to the drain outlet without flowing to the heel portion side.
For this reason, it can prevent that the water which flows into the pivot holder vicinity received by a water receiving part flows into the collar part side, and flows down from a collar part to a reinforcement bracket.
Therefore, the collar part and the holder waterproof cap can be formed as a single component without deteriorating the waterproof function of the collar part which prevents inflow into the engine room.

According to the present invention, the torsional rigidity of the cowl box can be increased by the reinforcing bracket, and even if the reinforcing bracket is provided, it does not flow down to the reinforcing bracket in order to receive the water flowing down from the front window glass by the collar portion. Intrusion into the engine room can be prevented.
Therefore, in the front structure of an automobile equipped with a cowl box that supports the lower part of the front window glass, a reinforcing bracket extending in the front-rear direction is provided on the upper part of the cowl box in order to increase the torsional rigidity of the cowl box. Waterproofing can be improved by preventing intrusion of rainwater and the like.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  First, the overall structure of the embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a front structure of an automobile, and FIG. 2 is an exploded perspective view of a cowl box portion.

  As shown in FIG. 1, in the front part of the vehicle V of the present embodiment, a bonnet 1 that covers the upper part of the engine room ER, a front bumper 2 that is arranged in the vehicle width direction in front of the bonnet 1, and an outside of the side part of the vehicle body A front fender 3 that constitutes the surface, a front window glass 4 that is forwardly inclined behind the hood 1, and a front pillar 5 that is inclined forward on both sides of the front window glass 4 are provided.

  Among these, a cowl box 6 is installed at a position below the rear end of the bonnet 1 so as to extend and support the lower portion of the front window glass 4 in the vehicle width direction.

  As shown in FIG. 2, the cowl box 6 is configured by a generally saddle-shaped box body having a so-called open cowl structure that extends in the vehicle width direction at the rear position of the engine room ER and has an open top. At the upper end of the rear portion of the cowl box 6, the lower portion 4a of the front window glass 4 is supported in the vehicle width direction.

  A wiper device 7 and a cowl grill 8 are mounted inside and above the cowl box 6.

  The wiper device 7 includes a wiper motor 71, left and right wiper links 72, 72, left and right pivot arms 73, 73, left and right wiper pivots 74, 74, left and right pivot holders 75, 75, and a connecting frame 76. Among them, the wiper device 7 is configured by attaching the waterproof caps 10 and 20 to the tips of the left and right wiper pivots 74 and 74 and fitting and attaching the wiper arms 77 and 77.

The wiper device 7 has an extended support portion 75a extending in the vehicle width direction from the pivot holders 75 and 75 with respect to the wiper support bracket 9 provided in the center of the cowl box 6 and the right side bracket 10 provided on the right side of the cowl box 6. , 75a are fastened and fixed, and the wiper mounting boss 78 of the wiper motor 71 is fitted and fixed to a cowl cross train 64 (see FIG. 12, etc.) forming the front inner wall of the cowl box 6. It is fixed at three points.
The detailed structure of the wiper device 7 will be described later.

  The cowl grill 8 is composed of a synthetic resin hard member extending in the vehicle width direction so as to cover the upper part of the cowl box 6. The cowl grill 8 is formed with net-like openings 81 and 81 at both left and right positions in the vehicle width direction in order to take outside air into the cowl box 6. Further, for the insertion of the left and right wiper pivots 74, 74, pivot openings 82, 82 are formed in the right side portion and the center portion, respectively.

  The cowl grill 8 is installed such that its front end is locked and fixed to the front end of the cowl box 6 by a clip member (not shown) and the rear end is in contact with the lower part 4 a of the front window glass 4.

  The cowl box 6 will be described in detail with reference to FIG. FIG. 3 is an overall perspective view of the cowl box 6.

  The cowl box 6 has a substantially upper J-shaped dash upper panel 61 extending in the vehicle width direction and positioned on the rear side, and a substantially inverted L-shaped cross section extending in the vehicle width direction on the front side of the dash upper panel 61. A cowl panel 62, a cowl cross member 63 having a substantially L-shaped cross section extending in the vehicle width direction and positioned on the front side, and a cowl cross rain having a substantially crank-shaped cross section extending in the vehicle width direction on the rear side of the cowl cross member 63. 64, and a wiper support bracket 9 that extends in the front-rear direction at the center position in the vehicle width direction and connects the front end and the rear end of the cowl box 6, and extends in the front-rear direction at both end positions in the vehicle width direction, Left and right side brackets 10, 11 that connect the front end and the rear end of both ends of the cowl box 6 are provided.

  Of these members, the dash upper panel 61 and the cowl panel 62 are joined together to form the “box rear portion 6B”, and the cowl cross member 63 and the cowl cross rain 64 are joined together to produce the “box front portion 6A. Is comprised.

  With this configuration, only the “box front portion 6A” can be removed by attaching and detaching the fastening bolts 13. This facilitates maintenance work in the engine room ER.

  The above-described wiper support bracket 9 is provided at the center of the cowl box 6 in the vehicle width direction. The wiper support bracket 9 has a front end portion fastened and fixed to a cowl cross rain 64 at the front end of the cowl box 6 by a fixing bolt 14, and a rear end portion fixed to a cowl panel 62 at the rear end of the cowl box 6 and fixed bolt 14. Fastened and fixed.

  In this way, by providing the wiper support bracket 9 extending in the front-rear direction on the upper portion of the cowl box 6, a part of the cowl box 6 having an open cowl structure is configured as a closed cross-sectional structure. Stiffness can be increased.

  Further, the wiper support bracket 9 itself is also formed in a substantially hat shape in cross section, thereby increasing rigidity.

  Next, the structure of the wiper device 7 will be described in more detail with reference to FIG. FIG. 4 is an overall front view of the wiper device 7 excluding the wiper arms 77 and 77 and the like.

  As described above, the wiper device 7 includes the wiper motor 71 provided at the center, the left and right wiper links 72, 72 extending in the vehicle width direction, and the left and right pivot arms pivotally supported at the tips of the wiper links 72, 72. 73, 73, left and right wiper pivots 74, 74 fixed to the ends of the pivot arms 73, 73 and extending in the vertical direction, left and right pivot holders 75, 75 supporting the wiper pivots 74, 74, and A connecting frame 76 that connects the left and right pivot holders 75, 75 extending in the vehicle width direction is provided.

  A rotation link 79 is fixed to the rotation axis M of the wiper motor 71, and the rotation link 79 is pivotally supported on the base ends of the left and right wiper links 72, 72, thereby rotating the wiper motor 71 in a rotational motion. , 72 is transmitted.

  Although not shown, the wiper motor 71 is bolted to the connection frame 76 on the rear side. The wiper device 7 configured in this manner is integrally sub-assembled (temporarily assembled) with the components shown in FIG.

  As described above, the sub-assembled wiper device 7 includes left and right extending support portions 75a and 75a extending outward (outward in the vehicle width direction) from the pivot holders 75 and 75, and a hard rubber extending forward. It is installed in the cowl box 6 by being fixed to the vehicle body side member by the wiper mounting boss portion 78. Among these, the extension support portions 75a and 75a are formed with a forward-lowering slope so that an operator can easily assemble from above the front portion of the vehicle.

  The operation of the wiper device 7 is as shown by a broken line in the figure, by rotating the wiper motor 71 to rotate the rotation link 79 around the rotation axis M, and the wiper link 72 linked to the rotation link 79. , 72 is swung left and right, thereby pivoting the pivot arms 73, 73 left and right. Then, in response to the pivotal movement of the pivot arms 73 and 73, the wiper pivots 74 and 74 are caused to reciprocate to operate a wiper arm (not shown).

  By operating the wiper device 7 in this manner, the wiper arm is configured to wipe off rainwater or the like on the windshield 4.

  As shown in FIG. 5, waterproof caps 10 and 20 are attached to the left and right pivot holders 75 and 75 of the wiper device 7 as described above.

  The waterproof caps 10 and 20 are formed of synthetic resin and receive rainwater and the like that enter from the pivot openings 82 and 82 provided in the cowl grill 8 described above, and the links such as the pivot arms 73 and 73 of the wiper device 7. Is installed so as not to get wet.

  The waterproof caps 10 and 20 are provided with center cylindrical mounting portions 11 and 21 mounted on the pivot holders 75 and 75 on the left and right sides, and water receiving portions 12 and 22 spreading in a funnel shape on the outer periphery, respectively. In the right waterproof cap 10, a drain port 13 for draining water downward is provided in the center of the water receiving portion 12.

  On the other hand, in the waterproof cap 20 on the left side, a drain outlet 23 is provided at the outer peripheral end (vehicle width direction side) of the water receiving portion 22, and water is drained to the inner side of the wiper device 7. Further, in the waterproof cap 20 on the left side, a flange 24 extending in the vehicle width direction is formed on the side opposite to the drain port 23 (outside in the vehicle width direction).

  The detailed structure of the left waterproof cap 20 will be described with reference to FIGS. 6 is a perspective view from the upper right side, and FIG. 7 is a perspective view from the lower front side.

  As described above, the left waterproof cap 20 includes a central cylindrical mounting portion 21, a substantially funnel-shaped water receiving portion 22 located on the outer periphery thereof, and a drain port formed by cutting out a part of the water receiving portion 22. 23, and further, a flange 24 extending in the vehicle width direction is provided on the opposite side of the drain port 23.

  The above-described cylindrical mounting portion 21 is formed in a substantially cylindrical shape extending in the vertical direction, and is configured as a divergent shape with a slightly larger diameter at the lower portion. Further, the inner peripheral diameter is set to a diameter that substantially matches the outer peripheral diameter of the pivot holder 75 described above, and is configured to be integrated with the pivot holder 75 by being inserted into the pivot holder 75 from above. 75 to be supported.

  The above-described water receiving portion 22 has a substantially funnel shape in which the upper portion is widened and the lower portion is narrowed. The water receiving portion 22 is configured to receive water flowing down from above and collect it at the bottom. The water receiving portion 22 is adapted to receive rainwater or the like entering from the pivot opening 82.

  Further, as shown in FIG. 7, two rectangular engaging protrusions 25 and 26 projecting downward are formed on the lower surface of the water receiving portion 22. As shown in FIGS. 8 and 9, the two engaging protrusions 25 and 26 are nail-fitted into a locking recess formed in the lower portion of the pivot holder 75 when the waterproof cap 20 is attached to the pivot holder 75. Is.

  FIG. 8 is a detailed perspective view showing the engagement state of the front side engagement protrusion 25, and FIG. 9 is a detailed perspective view showing the engagement state of the rear side engagement protrusion 26.

  As shown in FIG. 8, the front engaging projection 25 is configured to engage from above with a locking recess 75 b formed in the lower front portion of the pivot holder 75, and the wiper pivot shaft P The side surface of the engagement protrusion 25 is engaged with the engagement recess 75b so as to restrict the movement in the rotating direction.

  Further, as shown in FIG. 9, the rear-side engaging projection 26 is also configured to engage from above with a locking recess 75c formed at the lower rear surface of the pivot holder 75. The side surface and the lower surface of the engagement protrusion 26 are engaged with the engagement recess 75c so as to restrict the rotational movement around the axis P and the downward movement.

  In this way, the waterproof cap 20 is fixed to the pivot holder 75 by the two front and rear engaging protrusions 25 and 26, thereby preventing the waterproof cap 20 from changing its direction or being displaced after being mounted.

  The drain port 23 is formed so as to open in a substantially V shape on the right rear side of the water receiving portion 22, and the lower end thereof is set to be positioned below the water receiving portion 22. The water is surely drained downward.

  The aforementioned flange portion 24 is formed of a rectangular piece having a substantially V-shaped cross section extending in the vehicle width direction, and includes a front wall portion 24a that inclines toward the rear on the front side and a rear wall portion 24b that inclines toward the rear on the rear side. ing. Also. Thereafter, a relief edge 24c bent slightly downward is formed behind the wall 24b.

  Further, a through hole 24d for inserting a bolt is formed in the rear wall portion 24b of the flange portion 24.

  The flange 24 is located above the wiper support bracket 9 and receives rainwater flowing from the lower edge of the front window glass 4 and drains the rainwater to the side of the wiper support bracket 9. is doing.

  Next, the mounting state of the right waterproof cap 20 will be described with reference to FIGS. 10 is a front view of the waterproof cap 20 attached to the wiper device 7 as seen from the front side of the vehicle, FIG. 11 is a cross-sectional view cut along the axis of the wiper pivot 74 of FIG. 10, and FIG. 13 is a sectional view taken along line BB in FIG. 10, FIG. 14 is a sectional view taken along line CC in FIG. 10, and FIG. 15 is a sectional view taken along line DD in FIG. It is.

  In the cowl box 6 of the present embodiment, the rigidity of the cowl box 6 is enhanced by providing the wiper support bracket 9 extending in the front-rear direction at the center in the vehicle width direction as described above. In particular, as shown in FIG. 3, when a torsional load is applied from both sides in the vehicle width direction, the cowl box 6 has a closed cross-sectional structure at the portion where the wiper support bracket 9 is provided. Even so, the torsional rigidity can be increased, and the torsional rigidity of the vehicle body can also be improved.

  However, since the wiper support bracket 9 is provided at the upper part of the cowl box 6, rain water or the like flowing from the windshield glass 4 travels along the wiper support bracket 9 in the engine room ER located on the front side of the cowl box 6. Intrusion may occur.

  Therefore, in the present embodiment, as shown in FIG. 10, the flange 24 of the waterproof cap 20 is installed below the lower end edge of the front window glass 4 and above the wiper support bracket 9. That is, the water flowing down from the front window glass 4 is received by the flange 24 of the waterproof cap 20, guided to the vehicle width direction, and drained into the cowl box 6 on the side of the wiper support bracket 9. -ing

  Specifically, as shown in FIGS. 12 to 15, the flange portion 24 of the waterproof cap 20 is installed at an upper portion of the cowl box 6 so as to be positioned below a lower end edge of the front window glass 4.

  The cowl box 6 is composed of the “box front part 6A” and the “box rear part 6B” described above. The cowl cross member 63 and the cowl cross rain 64 constituting the “box front part 6A” The upper surface 63a extending in the horizontal direction at the front end, the vertical wall surface 63b extending downward from the rear end, and the lower surface 63c extending in the horizontal direction rearward at the lower end, and the cowl cross rain 64 is It has an upper end flange 64a that extends in the horizontal direction at the front end, a bracket support portion 64c that extends in the horizontal direction rearward as it is, a vertical wall portion 64d that extends downward from the rear end, and a lower end flange 64b that extends rearward from the lower end. Yes.

  Further, the cowl panel 62 and the dash upper panel 61 that constitute the “box rear portion 6B” are configured such that the cowl panel 62 includes a support portion 62c that supports the front window glass 4 at the upper end, and an upper end flange 62a that extends in the horizontal direction behind the support portion 62c. A vertical wall 62e extending downward from the support portion 62c, and a lower end flange 62b extending forward in the horizontal direction at the lower end thereof, and a dash upper panel 61 having an upper surface 61a extending in the horizontal direction; It has a vertical wall surface 61b extending downward from its front end and a lower surface 61c extending in the horizontal direction.

  A dash lower panel 65 extending in the vertical direction is joined to the lower side 61 c of the dash upper panel 61.

  On the other hand, the cowl grill 8 described above is installed above the cowl box 6. The cowl grill 8 supports the bonnet rear end 1a at a relatively higher position than the cowl box 6 by providing a bonnet receiving portion 81 protruding forward and upward of the vehicle at the front end. A vertical wall portion 82 extending in the vertical direction is provided below the bonnet receiving portion 81, and a notch portion 83 is formed at an intermediate position in the vertical direction of the vertical wall portion 82. By forming the notch portion 83, the vertical wall portion 82 is configured to be easily bent together with the fact that the bonnet 1 is made of synthetic resin when a load is applied from above.

  Further, the cowl grill 8 is provided with a cover portion 84 extending in a substantially horizontal direction in the front-rear direction, and a raised portion 85 protruding upward is formed at the front portion thereof. The raised portion 85 functions as a “blindfold” that improves the appearance from the rear of the hood 1 while allowing the upper surface of the cover portion 84 to function as a rainwater bottle.

  As shown in FIG. 12, the cowl grille 8 is open at the upper part thereof by a pivot opening 82, but covers the entire region above the other cowl box 6 by a cover part 84. However, at the abutting portion 8a of the rear end of the cover portion 84 with the front window glass 4, the cover portion 84 is merely in contact with each other. A phenomenon occurs in which rainwater or the like flows down to the wiper support bracket 9 as described above.

  As shown in FIGS. 12 to 15, the flange portion 24 of the waterproof cap 20 of the present embodiment avoids the front window glass 4 over the escape edge portion 24 c in the entire vehicle width direction, and the front window glass 4. It is set to extend to below the lower edge. Thereby, rain water or the like that flows down from the lower edge of the front window glass 4 can be reliably received by the flange 24.

  Further, as shown in FIG. 11, the waterproof cap 20 has one end (right end) inserted into and fixed to the pivot holder 75 and the other end (left end) fastened to the wiper support bracket 9 with a fastening bolt 27. By fixing, the wiper device 7 is installed with two-point support. In particular, the wiper support bracket 9 is fastened together with fastening bolts 27 together with the extension support portion 75 a of the pivot holder 75.

  As described above, the fixing rigidity of the waterproof cap 20 is increased by fastening using the wiper support bracket 9 which is a target for preventing water exposure, so that the shape of the collar portion 24 can be obtained even when a large amount of water is received. Prevents bending.

  Further, as shown in FIG. 14, the fastening portion to the wiper support bracket 9 is the through hole 24d provided on the surface of the rear wall portion 24b inclined forward and downward as described above. When assembling the device 7 from the upper front of the vehicle, it can be easily assembled. Moreover, since a fastening part can be comprised only by forming the through-hole 24d in the rear wall part 24b, the moldability of the collar part 24 can also be improved.

  Further, as shown in FIG. 11, the flange 24 of the waterproof cap 20 is set so that the vicinity of the central fastening position is set to the uppermost position (S1) and the left end is positioned to the lower position (S2). is doing. Thereby, the rainwater received by the collar part 24 is guide | induced to the vehicle width direction side.

  Further, the water receiving portion 22 of the waterproof cap 20 has its bottom set at a position (S3) below the collar portion 24, and further has a drain outlet 23 set at its lower position (S4). Thereby, the back flow from the water receiving part 22 to the collar part 24 side of the waterproof cap 20 can be prevented, and the water received by the water receiving part 22 flows into the collar part 24 and flows down from the collar part 24 to the wiper support bracket 9. Can be prevented.

  Further, as shown in FIG. 13, the flange 24 is set so as to be positioned above the extended support portion 75 a of the pivot holder 75. For this reason, the water which flows down to the extension support part 75a can also be received by the collar part 24, and the flooding to the extension support part 75a can also be prevented.

Next, the effect of this embodiment is explained in full detail.
As shown in FIG. 13, the front structure of the automobile of this embodiment is formed over the vehicle width direction, the lower part is joined to the dash lower panel 65, and the lower support 4c of the windshield 4 is supported by the upper support part 62c. A cowl cross member 63 that includes a cowl panel 62 that extends, a lower surface 63c that extends from the lower portion of the cowl panel 62 toward the vehicle front side, and a vertical wall surface 63b that extends upward from the front end of the lower surface 63c, and a lower portion of the front window glass 4. A cowl grille 8 extending from the abutting part that abuts against the vehicle 4a to the front side of the vehicle and fixing the front end to the cowl cross member 63, and a rear end fixed to the cowl panel 62 below the cowl grille 8 and the front end fixed to the cowl cross member A wiper support bracket 9 that is indirectly fixed to 63 and extends in the front-rear direction; And a trough portion 24 for draining the water that has flowed from above extends across the upper over the support bracket 9 in the vehicle width direction on a side of the wiper support bracket 9.

  Accordingly, since the cowl panel 62 and the cowl cross member 63 are connected by the wiper support bracket 9 extending in the front-rear direction, a part of the cowl box 6 having a so-called open cowl structure can have a closed cross-sectional structure. Further, since the flange 24 extending in the vehicle width direction is disposed above the wiper support bracket 9, water flowing down from the front window glass 4 is received by the flange 24 and drained to the side of the wiper support bracket 9. Will be.

  For this reason, the torsional rigidity of the cowl box 6 can be increased by the wiper support bracket 9, and even if the wiper support bracket 9 is provided, the wiper support bracket 9 receives water flowing down from the front window glass 4 by the flange portion 24. 9 does not flow down and can be prevented from entering the engine room ER.

  Therefore, in the front structure of the automobile provided with the cowl box 6 that supports the lower part of the front window glass 4, the wiper support bracket 9 extending in the front-rear direction is provided on the upper part of the cowl box 6 in order to increase the torsional rigidity of the cowl box 6. In addition, it is possible to prevent rainwater and the like from entering the engine room ER and improve waterproofness.

  In this embodiment, the front end and the rear end of the cowl box 6 are connected by the wiper support bracket 9 to increase the rigidity of the cowl box 6, but other than the wiper support bracket 9, a connection that extends in the mere front-rear direction. The upper part of the cowl box 6 may be connected by a bracket so that the rigidity of the cowl box 6 is increased. Even in such a case, it is possible to increase the rigidity of the cowl box by forming a closed cross-sectional structure in a part of the cowl box 6.

  Further, the fixing structure of the cowl box 6 and the wiper support bracket 9 is not limited to the fastening structure as in this embodiment, and may be a joining structure such as welding.

  Further, the shape of the above-described collar portion 24 is not limited to a V-shaped cross section as in the present embodiment, but receives water flowing from the lower edge of the front window glass 4 and guides it in the vehicle width direction. As long as it drains, for example, it may have any cross-sectional shape such as a U-shaped cross-section or an inverted hat shape.

In this embodiment, the bracket that reinforces the cowl box 6 is a wiper support bracket 9 that supports the wiper device 7.
Thus, the wiper device 7 is also supported by the bracket that increases the torsional rigidity of the cowl box 6.
For this reason, the wiper support bracket 9 can also provide a function of increasing the rigidity of the cowl box, and can also serve as the support member and the reinforcing member of the wiper device 7, eliminating the need to set a plurality of brackets.
Therefore, the number of parts can be reduced, and the structure in the cowl box 6 can be simplified.

In this embodiment, the flange 24 is supported by a pivot holder 75 that pivotally supports the wiper pivot 74 of the wiper device 7.
As a result, the flange 24 is supported by a strong pivot holder 75 that pivotally supports the wiper pivot 74.
For this reason, it is not necessary to separately set a mounting bracket or the like for the collar portion 24, and it is possible to assemble the pivot holder 75 and the wiper device 7 together with the wiper device 7 in advance. Further, since the wiper device 7 is supported by the rigid pivot holder 75, even if a large amount of water enters the collar portion 24 and the collar portion 24 may be bent, the shape of the collar portion 24 changes. Therefore, drainage can be ensured without fail.

  Therefore, the number of parts can be reduced, and the assemblability of the flange 24 can be improved. Furthermore, the drainage of the collar 24 when receiving a large amount of water can be improved.

  In this embodiment, a waterproof cap 20 having a cylindrical mounting portion 21 on the inner periphery and a water receiving portion 22 on the outer periphery is attached to the pivot holder 75 of the wiper device 7. The part 24 is integrally formed.

  As a result, the flange 24 that prevents the wiper support bracket 9 from being wetted can be integrally formed with the waterproof cap 20 that prevents water from being exposed to the link or the like near the wiper pivot. can do.

  Therefore, it is possible to prevent water from entering the wiper support bracket 9 without increasing the number of parts and to prevent water from entering the engine room ER.

  In addition, in this embodiment, the collar part 24 was integrally formed in the waterproof cap 20, but as another embodiment, you may comprise only the collar part 24 with another member. In this case, there is no possibility that the water received by the waterproof cap flows to the flange portion 24 side, and the function of the flange portion 24 can be reliably ensured.

Further, in this embodiment, the flange portion 24 is supported by the wiper support bracket 9.
For this reason, the rigidity of the flange 24 can be increased by utilizing the rigidity of the wiper support bracket 9.
Therefore, even when a large amount of water is received, there is no possibility that the flange 24 is bent, and the drainage of the flange 24 can be reliably ensured.

Further, in this embodiment, the extension support portion 75a of the pivot holder 75 of the wiper device 7 is installed so as to be positioned below the flange portion 24, and is fastened together with the flange portion 24 to the wiper support bracket 9 together. Yes.
Thereby, the collar part 24 can be firmly fixed using the wiper support bracket 9 having high rigidity. Moreover, since the extension support part 75a is installed under the collar part 24, the flooding to the extension support part 75a can also be prevented.
Therefore, the support rigidity of the collar part 24 can be improved, and the deterioration of the drainage property of the collar part 24 when a large amount of water is received can be prevented. Moreover, since the extension support part 75a can be prevented from getting wet, water does not flow from the extension support part 75a to the pivot holder 75, and the waterproof property of the wiper device 7 can be improved.

Further, in this embodiment, the extended support portion 75a and the rear wall portion 24b of the flange portion 24 are formed with an inclination that is lowered forward, and the wiper support bracket is formed by the inclined extended support portion 75a and the rear wall portion 24b. 9 is fastened and fixed.
As a result, the extension support portion 75a formed with a forwardly inclined slope and the rear wall portion 24b of the flange portion 24 are fastened and fixed to the wiper support bracket 9, so that an operator can install the wiper device from the front of the vehicle. Can be easily assembled from diagonally above. Further, since the water receiving surface of the flange portion 24 is configured as it is by using this inclination, the flange portion 24 can be easily formed without separately forming a boss or the like for attachment. .
Therefore, the moldability of the collar part 24 at the time of resin molding can be improved while the assembly work of the extended support part 75a and the collar part 24 can be easily performed.

  Moreover, in this embodiment, the front wall part 24a of the collar part 24 is continuously formed from the front outer peripheral wall 22a of the water receiving part 22 of the waterproof cap 20 (refer FIG. 6).

  Thereby, there is no step shape between the front wall 24a of the flange 24 and the front outer peripheral wall 22a of the water receiver 22, and the flange 24 and the water receiver 22 are formed more integrally. Can do.

  Therefore, in the case where the flange portion 24 and the waterproof cap 20 are integrally formed, the moldability at the time of resin molding can be improved.

  In this embodiment, the flange portion 24 is formed above the water receiving portion 22 of the waterproof cap 20, and the drain port 23 is formed below the water receiving portion 22 of the waterproof cap 20.

  Thereby, the water received by the collar 24 flows to the water receiver 22 side, but the water received by the water receiver 22 flows to the drain port 23 without flowing to the collar 24 side.

  For this reason, it is possible to prevent water flowing into the vicinity of the pivot holder 75 received by the water receiving portion 22 from flowing toward the flange portion 24 and from the flange portion 24 to the wiper support bracket 9.

  Therefore, the collar part 24 and the waterproof cap 20 can be formed by one component, without deteriorating the waterproof function of the collar part 24 which prevents the inflow to the engine room ER side.

  In addition, in this embodiment, although the collar part was shape | molded with the synthetic resin, you may shape | mold with metal materials, such as a stainless plate.

As described above, in the correspondence between the configuration of the present invention and the above-described embodiment,
The reinforcing bracket of the present invention corresponds to the wiper support bracket 9,
The holder waterproof cap corresponds to the waterproof cap 20,
The present invention is not limited to the above-described embodiments, but includes embodiments applied to the front structure of any automobile.

The perspective view of the front part structure of the car of an embodiment. The exploded perspective view of a cowl box part. The whole perspective view of a cowl box. The whole front view of the wiper device except a wiper arm etc. The perspective view of the state which attached the waterproof cap to the wiper apparatus. The perspective view from the upper right side of a waterproof cap. The perspective view from the front lower direction of a waterproof cap. The detailed perspective view which showed the engagement state of the front side engagement protrusion. The detailed perspective view which showed the engagement state of the rear side engagement protrusion. The front view which looked at the waterproof cap with which the wiper apparatus was mounted | worn from the vehicle front side. FIG. 11 is a cross-sectional view cut along the axis of the wiper pivot of FIG. 10. FIG. 11 is a cross-sectional view taken along line AA in FIG. 10. FIG. 11 is a cross-sectional view taken along line B-B in FIG. 10. FIG. 11 is a cross-sectional view taken along line CC in FIG. 10. FIG. 11 is a cross-sectional view taken along line DD in FIG. 10.

Explanation of symbols

4 ... Front window glass 6 ... Cowl box 7 ... Wiper device 8 ... Cowl grill 9 ... Wiper support bracket 20 ... Waterproof cap 22 ... Water receiving part 23 ... Drain port 24 ... Gutter 75 ... Pivot holder 75a ... Extension support part

Claims (9)

In the front structure of the car,
A cowl panel formed over the vehicle width direction, with the lower part joined to the dash lower panel and supporting the lower part of the windshield at the upper part,
A cowl cross member comprising a lateral wall portion extending from the lower portion of the cowl panel to the vehicle front side and a longitudinal wall portion extending upward from the front end of the lateral wall portion;
A cowl grille extending from the abutting part that abuts the lower part of the front window glass to the front side of the vehicle and fixing the front end to the cowl cross member;
A reinforcing bracket extending in the front-rear direction with the rear end fixed to the cowl panel below the cowl grill and the front end fixed to the cowl cross member;
A front part structure of an automobile comprising: a hook part that extends below the cowl grill and above the reinforcing bracket in the vehicle width direction and drains water that has flowed in from the upper side to the side of the reinforcing bracket. 2. The front structure of an automobile according to claim 1, wherein the reinforcing bracket is a wiper support bracket that supports a wiper device that wipes rainwater from the windshield. The front structure of an automobile according to claim 1 or 2, wherein the flange portion is supported by a pivot holder that pivotally supports a wiper pivot of a wiper device. The pivot holder of the wiper device is equipped with a holder waterproof cap having a holder mounting portion on the inner periphery and a water receiving portion on the outer periphery,
4. The front structure of an automobile according to claim 3, wherein the flange portion is formed integrally with the holder waterproof cap. The front structure of an automobile according to claim 1 or 2, wherein the flange is supported by a reinforcing bracket. The pivot holder that pivotally supports the wiper pivot of the wiper device is provided with an extending support portion extending in the vehicle width direction,
The front structure of an automobile according to claim 2, wherein the extension support portion is installed so as to be positioned below the flange portion and fixed together with the flange portion on the wiper support bracket. The extending support part and the flange part are formed with an inclination that is forwardly lowered,
The front structure of an automobile according to claim 6, wherein the inclined extended support portion and the flange portion are fastened and fixed to the wiper support bracket. 5. The front structure of an automobile according to claim 4, wherein a front wall of the flange is continuously formed from a front outer peripheral wall of the holder waterproof cap. The flange and the holder waterproof cap are integrally formed,
Forming the collar above the water receiving part of the holder waterproof cap;
9. The front structure of an automobile according to claim 4 or 8, wherein a drain outlet is formed in a lower portion of the water receiving portion of the holder waterproof cap.

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